13049892 has 36 divisors (see below), whose sum is σ = 33366060. Its totient is φ = 4300032.

The previous prime is 13049887. The next prime is 13049899. The reversal of 13049892 is 29894031.

It can be written as a sum of positive squares in 2 ways, for example, as 1920996 + 11128896 = 1386^2 + 3336^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (13049899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1168 + ... + 5240.

It is an arithmetic number, because the mean of its divisors is an integer number (926835).

Almost surely, 2^13049892 is an apocalyptic number.

13049892 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 13049892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16683030).

13049892 is an abundant number, since it is smaller than the sum of its proper divisors (20316168).

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

13049892 is a wasteful number, since it uses less digits than its factorization.

13049892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172 (or 4167 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 13049892 is about 3612.4634254204. The cubic root of 13049892 is about 235.4338868061.

The spelling of 13049892 in words is "thirteen million, forty-nine thousand, eight hundred ninety-two".