12401213 has 4 divisors (see below), whose sum is σ = 13528608. Its totient is φ = 11273820.

The previous prime is 12401189. The next prime is 12401251. The reversal of 12401213 is 31210421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12401213 - 2⁶ = 12401149 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 (12401293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563681 + ... + 563702.

It is an arithmetic number, because the mean of its divisors is an integer number (3382152).

Almost surely, 2^12401213 is an apocalyptic number.

It is an amenable number.

12401213 is a deficient number, since it is larger than the sum of its proper divisors (1127395).

12401213 is a wasteful number, since it uses less digits than its factorization.

12401213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127394.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12401213 is about 3521.5356025461. The cubic root of 12401213 is about 231.4664525090.

Adding to 12401213 its reverse (31210421), we get a palindrome (43611634).

The spelling of 12401213 in words is "twelve million, four hundred one thousand, two hundred thirteen".