11973534 has 16 divisors (see below), whose sum is σ = 25207680. Its totient is φ = 3781080.

The previous prime is 11973529. The next prime is 11973551. The reversal of 11973534 is 43537911.

It is a junction number, because it is equal to n+sod(n) for n = 11973495 and 11973504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52402 + ... + 52629.

It is an arithmetic number, because the mean of its divisors is an integer number (1575480).

Almost surely, 2^11973534 is an apocalyptic number.

11973534 is an abundant number, since it is smaller than the sum of its proper divisors (13234146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11973534 is a wasteful number, since it uses less digits than its factorization.

11973534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105055.

The product of its digits is 11340, while the sum is 33.

The square root of 11973534 is about 3460.2794684823. The cubic root of 11973534 is about 228.7744134713.

The spelling of 11973534 in words is "eleven million, nine hundred seventy-three thousand, five hundred thirty-four".