1263264612 has 24 divisors (see below), whose sum is σ = 3019511712. Its totient is φ = 410817600.

The previous prime is 1263264599. The next prime is 1263264617. The reversal of 1263264612 is 2164623621.

1263264612 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1263264617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283314 + ... + 1284297.

It is an arithmetic number, because the mean of its divisors is an integer number (125812988).

Almost surely, 2^1263264612 is an apocalyptic number.

1263264612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1263264612 is an abundant number, since it is smaller than the sum of its proper divisors (1756247100).

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

1263264612 is a wasteful number, since it uses less digits than its factorization.

1263264612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567659 (or 2567657 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 1263264612 is about 35542.4339628000. The cubic root of 1263264612 is about 1081.0143111444.

The spelling of 1263264612 in words is "one billion, two hundred sixty-three million, two hundred sixty-four thousand, six hundred twelve".