11312969 has 2 divisors, whose sum is σ = 11312970. Its totient is φ = 11312968.

The previous prime is 11312963. The next prime is 11312971. The reversal of 11312969 is 96921311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8791225 + 2521744 = 2965^2 + 1588^2 .

It is an emirp because it is prime and its reverse (96921311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11312969 - 2¹² = 11308873 is a prime.

It is a super-2 number, since 2×11312969² = 255966535189922, which contains 22 as substring.

Together with 11312971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11312963) 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 as a sum of consecutive naturals, namely, 5656484 + 5656485.

It is an arithmetic number, because the mean of its divisors is an integer number (5656485).

Almost surely, 2^11312969 is an apocalyptic number.

It is an amenable number.

11312969 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312969 is an equidigital number, since it uses as much as digits as its factorization.

11312969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 32.

The square root of 11312969 is about 3363.4757320367. The cubic root of 11312969 is about 224.4875183825.

The spelling of 11312969 in words is "eleven million, three hundred twelve thousand, nine hundred sixty-nine".