1213612914 has 32 divisors (see below), whose sum is σ = 2446617600. Its totient is φ = 401315472.

The previous prime is 1213612903. The next prime is 1213612919. The reversal of 1213612914 is 4192163121.

It is not an unprimeable number, because it can be changed into a prime (1213612919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866787 + ... + 868185.

It is an arithmetic number, because the mean of its divisors is an integer number (76456800).

Almost surely, 2^1213612914 is an apocalyptic number.

1213612914 is an abundant number, since it is smaller than the sum of its proper divisors (1233004686).

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

1213612914 is a wasteful number, since it uses less digits than its factorization.

1213612914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454.

The product of its digits is 2592, while the sum is 30.

The square root of 1213612914 is about 34836.9475413676. The cubic root of 1213612914 is about 1066.6617694871.

The spelling of 1213612914 in words is "one billion, two hundred thirteen million, six hundred twelve thousand, nine hundred fourteen".