1213460600 has 144 divisors (see below), whose sum is σ = 3179327760. Its totient is φ = 430144000.

The previous prime is 1213460587. The next prime is 1213460603. The reversal of 1213460600 is 60643121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213460603) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 991589 + ... + 992811.

It is an arithmetic number, because the mean of its divisors is an integer number (22078665).

Almost surely, 2^1213460600 is an apocalyptic number.

1213460600 is a gapful number since it is divisible by the number (10) 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 1213460600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589663880).

1213460600 is an abundant number, since it is smaller than the sum of its proper divisors (1965867160).

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

1213460600 is a wasteful number, since it uses less digits than its factorization.

1213460600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1213460600 is about 34834.7613742365. The cubic root of 1213460600 is about 1066.6171439682.

The spelling of 1213460600 in words is "one billion, two hundred thirteen million, four hundred sixty thousand, six hundred".