12540192 has 48 divisors (see below), whose sum is σ = 37622592. Its totient is φ = 3582720.

The previous prime is 12540181. The next prime is 12540217. The reversal of 12540192 is 29104521.

12540192 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 8659 + ... + 10002.

It is an arithmetic number, because the mean of its divisors is an integer number (783804).

Almost surely, 2^12540192 is an apocalyptic number.

12540192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12540192 is an abundant number, since it is smaller than the sum of its proper divisors (25082400).

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

12540192 is a wasteful number, since it uses less digits than its factorization.

12540192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18681 (or 18673 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 12540192 is about 3541.2133513811. The cubic root of 12540192 is about 232.3279152112.

The spelling of 12540192 in words is "twelve million, five hundred forty thousand, one hundred ninety-two".