1213614463 has 12 divisors (see below), whose sum is σ = 1240078320. Its totient is φ = 1187619776.

The previous prime is 1213614461. The next prime is 1213614487. The reversal of 1213614463 is 3644163121.

It is a happy number.

It is not a de Polignac number, because 1213614463 - 2¹ = 1213614461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213614461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777678 + ... + 779236.

It is an arithmetic number, because the mean of its divisors is an integer number (103339860).

Almost surely, 2^1213614463 is an apocalyptic number.

1213614463 is a deficient number, since it is larger than the sum of its proper divisors (26463857).

1213614463 is an equidigital number, since it uses as much as digits as its factorization.

1213614463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1755 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 1213614463 is about 34836.9697735036. The cubic root of 1213614463 is about 1066.6622232996.

Adding to 1213614463 its reverse (3644163121), we get a palindrome (4857777584).

The spelling of 1213614463 in words is "one billion, two hundred thirteen million, six hundred fourteen thousand, four hundred sixty-three".