11627431 has 2 divisors, whose sum is σ = 11627432. Its totient is φ = 11627430.

The previous prime is 11627419. The next prime is 11627459. The reversal of 11627431 is 13472611.

It is a weak prime.

It is an emirp because it is prime and its reverse (13472611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11627431 is a prime.

It is a super-2 number, since 2×11627431² = 270394303319522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11627396 and 11627405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11627401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5813715 + 5813716.

It is an arithmetic number, because the mean of its divisors is an integer number (5813716).

Almost surely, 2^11627431 is an apocalyptic number.

11627431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11627431 is an equidigital number, since it uses as much as digits as its factorization.

11627431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 11627431 is about 3409.9019047474. The cubic root of 11627431 is about 226.5485344162.

The spelling of 11627431 in words is "eleven million, six hundred twenty-seven thousand, four hundred thirty-one".