1252664 has 16 divisors (see below), whose sum is σ = 2684400. Its totient is φ = 536832.

The previous prime is 1252663. The next prime is 1252681. The reversal of 1252664 is 4662521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11129 + ... + 11240.

It is an arithmetic number, because the mean of its divisors is an integer number (167775).

2^1252664 is an apocalyptic number.

1252664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1252664 is an abundant number, since it is smaller than the sum of its proper divisors (1431736).

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

1252664 is a wasteful number, since it uses less digits than its factorization.

1252664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22382 (or 22378 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1252664 is about 1119.2247316781. The cubic root of 1252664 is about 107.7982057223.

The spelling of 1252664 in words is "one million, two hundred fifty-two thousand, six hundred sixty-four".