1253660 has 12 divisors (see below), whose sum is σ = 2632728. Its totient is φ = 501456.

The previous prime is 1253627. The next prime is 1253683. The reversal of 1253660 is 663521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31322 + ... + 31361.

It is an arithmetic number, because the mean of its divisors is an integer number (219394).

2^1253660 is an apocalyptic number.

1253660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253660 is an abundant number, since it is smaller than the sum of its proper divisors (1379068).

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

1253660 is a wasteful number, since it uses less digits than its factorization.

1253660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62692 (or 62690 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1253660 is about 1119.6695941214. The cubic root of 1253660 is about 107.8267684679.

The spelling of 1253660 in words is "one million, two hundred fifty-three thousand, six hundred sixty".