12919536 has 90 divisors (see below), whose sum is σ = 42082872. Its totient is φ = 3689280.

The previous prime is 12919523. The next prime is 12919553. The reversal of 12919536 is 63591921.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12919536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6141 + ... + 7971.

Almost surely, 2^12919536 is an apocalyptic number.

12919536 is a gapful number since it is divisible by the number (16) 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 12919536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21041436).

12919536 is an abundant number, since it is smaller than the sum of its proper divisors (29163336).

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

12919536 is a wasteful number, since it uses less digits than its factorization.

12919536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 1843 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 12919536 is about 3594.3756064162. The cubic root of 12919536 is about 234.6473418717.

The spelling of 12919536 in words is "twelve million, nine hundred nineteen thousand, five hundred thirty-six".