15243996 has 12 divisors (see below), whose sum is σ = 35569352. Its totient is φ = 5081328.

The previous prime is 15243979. The next prime is 15244003. The reversal of 15243996 is 69934251.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635155 + ... + 635178.

Almost surely, 2^15243996 is an apocalyptic number.

It is an amenable number.

15243996 is an abundant number, since it is smaller than the sum of its proper divisors (20325356).

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

15243996 is a wasteful number, since it uses less digits than its factorization.

15243996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270340 (or 1270338 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 15243996 is about 3904.3560288478. The cubic root of 15243996 is about 247.9512347752.

The spelling of 15243996 in words is "fifteen million, two hundred forty-three thousand, nine hundred ninety-six".