1213379606 has 8 divisors (see below), whose sum is σ = 1821444960. Its totient is φ = 606231288.

The previous prime is 1213379597. The next prime is 1213379617. The reversal of 1213379606 is 6069733121.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1213379606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225941 + ... + 231248.

It is an arithmetic number, because the mean of its divisors is an integer number (227680620).

Almost surely, 2^1213379606 is an apocalyptic number.

1213379606 is a deficient number, since it is larger than the sum of its proper divisors (608065354).

1213379606 is a wasteful number, since it uses less digits than its factorization.

1213379606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458518.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 1213379606 is about 34833.5988091957. The cubic root of 1213379606 is about 1066.5934125258.

The spelling of 1213379606 in words is "one billion, two hundred thirteen million, three hundred seventy-nine thousand, six hundred six".