1316412921 has 8 divisors (see below), whose sum is σ = 1815742080. Its totient is φ = 847346192.

The previous prime is 1316412919. The next prime is 1316412949. The reversal of 1316412921 is 1292146131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1316412921 - 2¹ = 1316412919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316412991) 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, 7565505 + ... + 7565678.

It is an arithmetic number, because the mean of its divisors is an integer number (226967760).

Almost surely, 2^1316412921 is an apocalyptic number.

It is an amenable number.

1316412921 is a deficient number, since it is larger than the sum of its proper divisors (499329159).

1316412921 is a wasteful number, since it uses less digits than its factorization.

1316412921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15131215.

The product of its digits is 2592, while the sum is 30.

The square root of 1316412921 is about 36282.4051159787. The cubic root of 1316412921 is about 1095.9667507384.

The spelling of 1316412921 in words is "one billion, three hundred sixteen million, four hundred twelve thousand, nine hundred twenty-one".