11870597 has 2 divisors, whose sum is σ = 11870598. Its totient is φ = 11870596.

The previous prime is 11870587. The next prime is 11870609. The reversal of 11870597 is 79507811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9541921 + 2328676 = 3089^2 + 1526^2 .

It is a cyclic number.

It is not a de Polignac number, because 11870597 - 2²² = 7676293 is a prime.

It is a super-2 number, since 2×11870597² = 281822146272818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11870597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11870587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5935298 + 5935299.

It is an arithmetic number, because the mean of its divisors is an integer number (5935299).

Almost surely, 2^11870597 is an apocalyptic number.

It is an amenable number.

11870597 is a deficient number, since it is larger than the sum of its proper divisors (1).

11870597 is an equidigital number, since it uses as much as digits as its factorization.

11870597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 11870597 is about 3445.3732744073. The cubic root of 11870597 is about 228.1169311464.

The spelling of 11870597 in words is "eleven million, eight hundred seventy thousand, five hundred ninety-seven".