11902487 has 2 divisors, whose sum is σ = 11902488. Its totient is φ = 11902486.

The previous prime is 11902463. The next prime is 11902507. The reversal of 11902487 is 78420911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11902487 - 2²⁰ = 10853911 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11902427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5951243 + 5951244.

It is an arithmetic number, because the mean of its divisors is an integer number (5951244).

Almost surely, 2^11902487 is an apocalyptic number.

11902487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11902487 is an equidigital number, since it uses as much as digits as its factorization.

11902487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 11902487 is about 3449.9981159415. The cubic root of 11902487 is about 228.3210249047.

The spelling of 11902487 in words is "eleven million, nine hundred two thousand, four hundred eighty-seven".