15972652 has 12 divisors (see below), whose sum is σ = 28266840. Its totient is φ = 7896416.

The previous prime is 15972647. The next prime is 15972653. The reversal of 15972652 is 25627951.

It is a super-2 number, since 2×15972652² = 510251223826208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15972653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22078 + ... + 22789.

It is an arithmetic number, because the mean of its divisors is an integer number (2355570).

Almost surely, 2^15972652 is an apocalyptic number.

It is an amenable number.

15972652 is a deficient number, since it is larger than the sum of its proper divisors (12294188).

15972652 is a wasteful number, since it uses less digits than its factorization.

15972652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44960 (or 44958 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 15972652 is about 3996.5800379825. The cubic root of 15972652 is about 251.8405600997.

The spelling of 15972652 in words is "fifteen million, nine hundred seventy-two thousand, six hundred fifty-two".