1239496506 has 40 divisors (see below), whose sum is σ = 2779406784. Its totient is φ = 412865640.

The previous prime is 1239496493. The next prime is 1239496523. The reversal of 1239496506 is 6056949321.

1239496506 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1239496506³ (a number of 28 digits) contains 333 as substring.

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, 408511 + ... + 411533.

Almost surely, 2^1239496506 is an apocalyptic number.

1239496506 is an abundant number, since it is smaller than the sum of its proper divisors (1539910278).

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

1239496506 is a wasteful number, since it uses less digits than its factorization.

1239496506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568 (or 5559 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 1239496506 is about 35206.4838630614. The cubic root of 1239496506 is about 1074.1916420915.

It can be divided in two parts, 12394 and 96506, that added together give a square (108900 = 330²).

The spelling of 1239496506 in words is "one billion, two hundred thirty-nine million, four hundred ninety-six thousand, five hundred six".