12291354 has 24 divisors (see below), whose sum is σ = 26724672. Its totient is φ = 4082760.

The previous prime is 12291343. The next prime is 12291379. The reversal of 12291354 is 45319221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4927 + ... + 6989.

It is an arithmetic number, because the mean of its divisors is an integer number (1113528).

Almost surely, 2^12291354 is an apocalyptic number.

12291354 is an abundant number, since it is smaller than the sum of its proper divisors (14433318).

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

12291354 is a wasteful number, since it uses less digits than its factorization.

12291354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402 (or 2399 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12291354 is about 3505.9027368140. The cubic root of 12291354 is about 230.7809245869.

The spelling of 12291354 in words is "twelve million, two hundred ninety-one thousand, three hundred fifty-four".