12296540 has 12 divisors (see below), whose sum is σ = 25822776. Its totient is φ = 4918608.

The previous prime is 12296539. The next prime is 12296567. The reversal of 12296540 is 4569221.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 307394 + ... + 307433.

It is an arithmetic number, because the mean of its divisors is an integer number (2151898).

Almost surely, 2^12296540 is an apocalyptic number.

12296540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12296540 is an abundant number, since it is smaller than the sum of its proper divisors (13526236).

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

12296540 is a wasteful number, since it uses less digits than its factorization.

12296540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614836 (or 614834 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 12296540 is about 3506.6422686097. The cubic root of 12296540 is about 230.8133772522.

The spelling of 12296540 in words is "twelve million, two hundred ninety-six thousand, five hundred forty".