1308669372 has 60 divisors (see below), whose sum is σ = 3438481200. Its totient is φ = 434009664.

The previous prime is 1308669343. The next prime is 1308669407. The reversal of 1308669372 is 2739668031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54328 + ... + 74624.

It is an arithmetic number, because the mean of its divisors is an integer number (57308020).

Almost surely, 2^1308669372 is an apocalyptic number.

1308669372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1308669372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1719240600).

1308669372 is an abundant number, since it is smaller than the sum of its proper divisors (2129811828).

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

1308669372 is a wasteful number, since it uses less digits than its factorization.

1308669372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20512 (or 20501 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1308669372 is about 36175.5355454484. The cubic root of 1308669372 is about 1093.8135845832.

The spelling of 1308669372 in words is "one billion, three hundred eight million, six hundred sixty-nine thousand, three hundred seventy-two".