12167054 has 4 divisors (see below), whose sum is σ = 18250584. Its totient is φ = 6083526.

The previous prime is 12167047. The next prime is 12167063. The reversal of 12167054 is 45076121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45076121 = 29 ⋅1554349.

It is an alternating number because its digits alternate between odd and even.

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, 3041762 + ... + 3041765.

It is an arithmetic number, because the mean of its divisors is an integer number (4562646).

Almost surely, 2^12167054 is an apocalyptic number.

12167054 is a deficient number, since it is larger than the sum of its proper divisors (6083530).

12167054 is an equidigital number, since it uses as much as digits as its factorization.

12167054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083529.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12167054 is about 3488.1304448085. The cubic root of 12167054 is about 230.0003402641. Note that the first 3 decimals are identical.

The spelling of 12167054 in words is "twelve million, one hundred sixty-seven thousand, fifty-four".