12972501 has 8 divisors (see below), whose sum is σ = 19218560. Its totient is φ = 8648316.

The previous prime is 12972461. The next prime is 12972521. The reversal of 12972501 is 10527921.

It is not a de Polignac number, because 12972501 - 2¹³ = 12964309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 480463 = 12972501 / (1 + 2 + 9 + 7 + 2 + 5 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12972521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240205 + ... + 240258.

It is an arithmetic number, because the mean of its divisors is an integer number (2402320).

Almost surely, 2^12972501 is an apocalyptic number.

It is an amenable number.

12972501 is a deficient number, since it is larger than the sum of its proper divisors (6246059).

12972501 is an equidigital number, since it uses as much as digits as its factorization.

12972501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480472 (or 480466 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 12972501 is about 3601.7358315124. The cubic root of 12972501 is about 234.9675585215.

The spelling of 12972501 in words is "twelve million, nine hundred seventy-two thousand, five hundred one".