12065534 has 16 divisors (see below), whose sum is σ = 19677168. Its totient is φ = 5515392.

The previous prime is 12065519. The next prime is 12065549. The reversal of 12065534 is 43556021.

It is an interprime number because it is at equal distance from previous prime (12065519) and next prime (12065549).

It is a super-2 number, since 2×12065534² = 291154221410312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 614 + ... + 4950.

It is an arithmetic number, because the mean of its divisors is an integer number (1229823).

Almost surely, 2^12065534 is an apocalyptic number.

12065534 is a deficient number, since it is larger than the sum of its proper divisors (7611634).

12065534 is a wasteful number, since it uses less digits than its factorization.

12065534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 12065534 is about 3473.5477540981. The cubic root of 12065534 is about 229.3588571473.

The spelling of 12065534 in words is "twelve million, sixty-five thousand, five hundred thirty-four".