12577446 has 48 divisors (see below), whose sum is σ = 31378464. Its totient is φ = 3566592.

The previous prime is 12577421. The next prime is 12577459. The reversal of 12577446 is 64477521.

It is a self number, because there is not a number n which added to its sum of digits gives 12577446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21510 + ... + 22086.

It is an arithmetic number, because the mean of its divisors is an integer number (653718).

Almost surely, 2^12577446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12577446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15689232).

12577446 is an abundant number, since it is smaller than the sum of its proper divisors (18801018).

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

12577446 is a wasteful number, since it uses less digits than its factorization.

12577446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 762 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 12577446 is about 3546.4695120641. The cubic root of 12577446 is about 232.5577518693.

The spelling of 12577446 in words is "twelve million, five hundred seventy-seven thousand, four hundred forty-six".