12545492 has 6 divisors (see below), whose sum is σ = 21954618. Its totient is φ = 6272744.

The previous prime is 12545459. The next prime is 12545521. The reversal of 12545492 is 29454521.

It can be written as a sum of positive squares in only one way, i.e., 8561476 + 3984016 = 2926^2 + 1996^2 .

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, 1568183 + ... + 1568190.

It is an arithmetic number, because the mean of its divisors is an integer number (3659103).

Almost surely, 2^12545492 is an apocalyptic number.

It is an amenable number.

12545492 is a deficient number, since it is larger than the sum of its proper divisors (9409126).

12545492 is a wasteful number, since it uses less digits than its factorization.

12545492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136377 (or 3136375 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 12545492 is about 3541.9616034057. The cubic root of 12545492 is about 232.3606410397.

The spelling of 12545492 in words is "twelve million, five hundred forty-five thousand, four hundred ninety-two".