15878052 has 48 divisors (see below), whose sum is σ = 41708800. Its totient is φ = 5222880.

The previous prime is 15878047. The next prime is 15878059. The reversal of 15878052 is 25087851.

15878052 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15878052² = 504225070629408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 15877998 and 15878016.

It is not an unprimeable number, because it can be changed into a prime (15878059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7602 + ... + 9462.

Almost surely, 2^15878052 is an apocalyptic number.

15878052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15878052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20854400).

15878052 is an abundant number, since it is smaller than the sum of its proper divisors (25830748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15878052 is a wasteful number, since it uses less digits than its factorization.

15878052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1945 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 15878052 is about 3984.7273432445. The cubic root of 15878052 is about 251.3423897246.

It can be divided in two parts, 158 and 78052, that added together give a triangular number (78210 = T₃₉₅).

The spelling of 15878052 in words is "fifteen million, eight hundred seventy-eight thousand, fifty-two".