1308534 has 12 divisors (see below), whose sum is σ = 2622684. Its totient is φ = 435244.

The previous prime is 1308529. The next prime is 1308547. The reversal of 1308534 is 4358031.

It is a super-2 number, since 2×1308534² = 3424522458312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2569 + ... + 3035.

It is an arithmetic number, because the mean of its divisors is an integer number (218557).

2^1308534 is an apocalyptic number.

1308534 is an abundant number, since it is smaller than the sum of its proper divisors (1314150).

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

1308534 is an frugal number, since it uses more digits than its factorization.

1308534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1308534 is about 1143.9117098797. The cubic root of 1308534 is about 109.3775867688.

Multiplying 1308534 by its sum of digits (24), we get a square (31404816 = 5604²).

The spelling of 1308534 in words is "one million, three hundred eight thousand, five hundred thirty-four".