12653951 has 8 divisors (see below), whose sum is σ = 13016064. Its totient is φ = 12295800.

The previous prime is 12653939. The next prime is 12653957. The reversal of 12653951 is 15935621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12653951 - 2¹⁸ = 12391807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12653957) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6206 + ... + 7988.

It is an arithmetic number, because the mean of its divisors is an integer number (1627008).

Almost surely, 2^12653951 is an apocalyptic number.

12653951 is a deficient number, since it is larger than the sum of its proper divisors (362113).

12653951 is a wasteful number, since it uses less digits than its factorization.

12653951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

The product of its digits is 8100, while the sum is 32.

The square root of 12653951 is about 3557.2392385107. The cubic root of 12653951 is about 233.0283264204.

The spelling of 12653951 in words is "twelve million, six hundred fifty-three thousand, nine hundred fifty-one".