11872451 has 2 divisors, whose sum is σ = 11872452. Its totient is φ = 11872450.

The previous prime is 11872447. The next prime is 11872459. The reversal of 11872451 is 15427811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11872451 - 2² = 11872447 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11872459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5936225 + 5936226.

It is an arithmetic number, because the mean of its divisors is an integer number (5936226).

Almost surely, 2^11872451 is an apocalyptic number.

11872451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11872451 is an equidigital number, since it uses as much as digits as its factorization.

11872451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 29.

The square root of 11872451 is about 3445.6423203809. The cubic root of 11872451 is about 228.1288066169.

The spelling of 11872451 in words is "eleven million, eight hundred seventy-two thousand, four hundred fifty-one".