1286264013 has 32 divisors (see below), whose sum is σ = 1877904000. Its totient is φ = 779888640.

The previous prime is 1286264003. The next prime is 1286264027. The reversal of 1286264013 is 3104626821.

1286264013 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1286264013 - 2⁶ = 1286263949 is a prime.

It is a super-2 number, since 2×1286264013² = 3308950222277728338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286264003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220863 + ... + 226611.

It is an arithmetic number, because the mean of its divisors is an integer number (58684500).

Almost surely, 2^1286264013 is an apocalyptic number.

It is an amenable number.

1286264013 is a deficient number, since it is larger than the sum of its proper divisors (591639987).

1286264013 is a wasteful number, since it uses less digits than its factorization.

1286264013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1286264013 is about 35864.5230415797. The cubic root of 1286264013 is about 1087.5353264254.

The spelling of 1286264013 in words is "one billion, two hundred eighty-six million, two hundred sixty-four thousand, thirteen".