12089534 has 4 divisors (see below), whose sum is σ = 18134304. Its totient is φ = 6044766.

The previous prime is 12089527. The next prime is 12089551. The reversal of 12089534 is 43598021.

12089534 = 1737² + 1738² + ... + 1740².

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12089534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3022382 + ... + 3022385.

It is an arithmetic number, because the mean of its divisors is an integer number (4533576).

Almost surely, 2^12089534 is an apocalyptic number.

12089534 is a deficient number, since it is larger than the sum of its proper divisors (6044770).

12089534 is an equidigital number, since it uses as much as digits as its factorization.

12089534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6044769.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 12089534 is about 3477.0007190106. Note that the first 3 decimals coincide. The cubic root of 12089534 is about 229.5108318214.

The spelling of 12089534 in words is "twelve million, eighty-nine thousand, five hundred thirty-four".