11472431 has 2 divisors, whose sum is σ = 11472432. Its totient is φ = 11472430.

The previous prime is 11472427. The next prime is 11472437. The reversal of 11472431 is 13427411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11472431 - 2² = 11472427 is a prime.

It is a super-2 number, since 2×11472431² = 263233346099522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11472397 and 11472406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11472437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5736215 + 5736216.

It is an arithmetic number, because the mean of its divisors is an integer number (5736216).

Almost surely, 2^11472431 is an apocalyptic number.

11472431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11472431 is an equidigital number, since it uses as much as digits as its factorization.

11472431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 11472431 is about 3387.0977251919. The cubic root of 11472431 is about 225.5373559679.

Adding to 11472431 its reverse (13427411), we get a palindrome (24899842).

The spelling of 11472431 in words is "eleven million, four hundred seventy-two thousand, four hundred thirty-one".