1296528402 has 16 divisors (see below), whose sum is σ = 2792522880. Its totient is φ = 398931792.

The previous prime is 1296528367. The next prime is 1296528413. The reversal of 1296528402 is 2048256921.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8311002 + ... + 8311157.

It is an arithmetic number, because the mean of its divisors is an integer number (174532680).

Almost surely, 2^1296528402 is an apocalyptic number.

1296528402 is an abundant number, since it is smaller than the sum of its proper divisors (1495994478).

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

1296528402 is a wasteful number, since it uses less digits than its factorization.

1296528402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16622177.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1296528402 is about 36007.3381687678. The cubic root of 1296528402 is about 1090.4205099728.

The spelling of 1296528402 in words is "one billion, two hundred ninety-six million, five hundred twenty-eight thousand, four hundred two".