1213674516 has 60 divisors (see below), whose sum is σ = 3185072352. Its totient is φ = 402991632.

The previous prime is 1213674503. The next prime is 1213674541. The reversal of 1213674516 is 6154763121.

1213674516 is a `hidden beast` number, since 1 + 2 + 136 + 7 + 4 + 516 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 78091 + ... + 92333.

Almost surely, 2^1213674516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213674516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592536176).

1213674516 is an abundant number, since it is smaller than the sum of its proper divisors (1971397836).

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

1213674516 is a wasteful number, since it uses less digits than its factorization.

1213674516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14522 (or 14511 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 1213674516 is about 34837.8316776461. The cubic root of 1213674516 is about 1066.6798168084.

The spelling of 1213674516 in words is "one billion, two hundred thirteen million, six hundred seventy-four thousand, five hundred sixteen".