12753631 has 4 divisors (see below), whose sum is σ = 13913064. Its totient is φ = 11594200.

The previous prime is 12753613. The next prime is 12753647. The reversal of 12753631 is 13635721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12753631 - 2¹⁷ = 12622559 is a prime.

It is a super-2 number, since 2×12753631² = 325310207368322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12753631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12753691) 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, 579700 + ... + 579721.

It is an arithmetic number, because the mean of its divisors is an integer number (3478266).

Almost surely, 2^12753631 is an apocalyptic number.

12753631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12753631 is a deficient number, since it is larger than the sum of its proper divisors (1159433).

12753631 is a wasteful number, since it uses less digits than its factorization.

12753631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159432.

The product of its digits is 3780, while the sum is 28.

The square root of 12753631 is about 3571.2226197760. Note that the first 3 decimals coincide. The cubic root of 12753631 is about 233.6386110784.

The spelling of 12753631 in words is "twelve million, seven hundred fifty-three thousand, six hundred thirty-one".