1245413213 has 8 divisors (see below), whose sum is σ = 1358914656. Its totient is φ = 1131958800.

The previous prime is 1245413209. The next prime is 1245413227. The reversal of 1245413213 is 3123145421.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1245413213 - 2² = 1245413209 is a prime.

It is a super-2 number, since 2×1245413213² = 3102108142229966738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245413233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66023 + ... + 82763.

It is an arithmetic number, because the mean of its divisors is an integer number (169864332).

Almost surely, 2^1245413213 is an apocalyptic number.

It is an amenable number.

1245413213 is a deficient number, since it is larger than the sum of its proper divisors (113501443).

1245413213 is a wasteful number, since it uses less digits than its factorization.

1245413213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23515.

The product of its digits is 2880, while the sum is 26.

The square root of 1245413213 is about 35290.4124798790. The cubic root of 1245413213 is about 1075.8981390495.

Adding to 1245413213 its reverse (3123145421), we get a palindrome (4368558634).

The spelling of 1245413213 in words is "one billion, two hundred forty-five million, four hundred thirteen thousand, two hundred thirteen".