1268913700 has 36 divisors (see below), whose sum is σ = 2842373632. Its totient is φ = 491191200.

The previous prime is 1268913691. The next prime is 1268913707. The reversal of 1268913700 is 73198621.

It is a super-2 number, since 2×1268913700² = 3220283956095380000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1268913700.

It is not an unprimeable number, because it can be changed into a prime (1268913707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201564 + ... + 207763.

Almost surely, 2^1268913700 is an apocalyptic number.

1268913700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1268913700 is an abundant number, since it is smaller than the sum of its proper divisors (1573459932).

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

1268913700 is a wasteful number, since it uses less digits than its factorization.

1268913700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409372 (or 409365 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1268913700 is about 35621.8149453393. The cubic root of 1268913700 is about 1082.6232811928.

The spelling of 1268913700 in words is "one billion, two hundred sixty-eight million, nine hundred thirteen thousand, seven hundred".