1299514263 has 16 divisors (see below), whose sum is σ = 1739952000. Its totient is φ = 862719264.

The previous prime is 1299514247. The next prime is 1299514267. The reversal of 1299514263 is 3624159921.

It is not a de Polignac number, because 1299514263 - 2⁴ = 1299514247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299514267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156620 + ... + 1157742.

It is an arithmetic number, because the mean of its divisors is an integer number (108747000).

Almost surely, 2^1299514263 is an apocalyptic number.

1299514263 is a deficient number, since it is larger than the sum of its proper divisors (440437737).

1299514263 is a wasteful number, since it uses less digits than its factorization.

1299514263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398.

The product of its digits is 116640, while the sum is 42.

The square root of 1299514263 is about 36048.7761650794. The cubic root of 1299514263 is about 1091.2569353829.

The spelling of 1299514263 in words is "one billion, two hundred ninety-nine million, five hundred fourteen thousand, two hundred sixty-three".