12952591 has 2 divisors, whose sum is σ = 12952592. Its totient is φ = 12952590.

The previous prime is 12952573. The next prime is 12952607. The reversal of 12952591 is 19525921.

It is a strong prime.

It is an emirp because it is prime and its reverse (19525921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12952591 - 2²³ = 4563983 is a prime.

It is a super-2 number, since 2×12952591² = 335539227226562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12952561) 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, 6476295 + 6476296.

It is an arithmetic number, because the mean of its divisors is an integer number (6476296).

Almost surely, 2^12952591 is an apocalyptic number.

12952591 is a deficient number, since it is larger than the sum of its proper divisors (1).

12952591 is an equidigital number, since it uses as much as digits as its factorization.

12952591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 34.

The square root of 12952591 is about 3598.9708251110. The cubic root of 12952591 is about 234.8472887427.

It can be divided in two parts, 1295 and 2591, that multiplied together give a triangular number (3355345 = T₂₅₉₀).

The spelling of 12952591 in words is "twelve million, nine hundred fifty-two thousand, five hundred ninety-one".