10972591 has 4 divisors (see below), whose sum is σ = 12540112. Its totient is φ = 9405072.

The previous prime is 10972589. The next prime is 10972603. The reversal of 10972591 is 19527901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19527901 = 127 ⋅153763.

It is a cyclic number.

It is not a de Polignac number, because 10972591 - 2¹ = 10972589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10972501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783750 + ... + 783763.

It is an arithmetic number, because the mean of its divisors is an integer number (3135028).

Almost surely, 2^10972591 is an apocalyptic number.

10972591 is a deficient number, since it is larger than the sum of its proper divisors (1567521).

10972591 is an equidigital number, since it uses as much as digits as its factorization.

10972591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567520.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 10972591 is about 3312.4901509288. The cubic root of 10972591 is about 222.2131370267.

The spelling of 10972591 in words is "ten million, nine hundred seventy-two thousand, five hundred ninety-one".