15247472 has 10 divisors (see below), whose sum is σ = 29542008. Its totient is φ = 7623728.

The previous prime is 15247471. The next prime is 15247511. The reversal of 15247472 is 27474251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15247471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476468 + ... + 476499.

Almost surely, 2^15247472 is an apocalyptic number.

It is an amenable number.

15247472 is a deficient number, since it is larger than the sum of its proper divisors (14294536).

15247472 is an equidigital number, since it uses as much as digits as its factorization.

15247472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952975 (or 952969 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 15247472 is about 3904.8011473057. The cubic root of 15247472 is about 247.9700796370.

The spelling of 15247472 in words is "fifteen million, two hundred forty-seven thousand, four hundred seventy-two".