1324213401 has 16 divisors (see below), whose sum is σ = 2019206144. Its totient is φ = 756184464.

The previous prime is 1324213349. The next prime is 1324213409. The reversal of 1324213401 is 1043124231.

It is not a de Polignac number, because 1324213401 - 2⁷ = 1324213273 is a prime.

It is a super-2 number, since 2×1324213401² = 3507082262775973602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1324213409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11970 + ... + 52836.

It is an arithmetic number, because the mean of its divisors is an integer number (126200384).

Almost surely, 2^1324213401 is an apocalyptic number.

It is an amenable number.

1324213401 is a deficient number, since it is larger than the sum of its proper divisors (694992743).

1324213401 is a wasteful number, since it uses less digits than its factorization.

1324213401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42420.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1324213401 is about 36389.7430741136. The cubic root of 1324213401 is about 1098.1272268725.

Adding to 1324213401 its reverse (1043124231), we get a palindrome (2367337632).

The spelling of 1324213401 in words is "one billion, three hundred twenty-four million, two hundred thirteen thousand, four hundred one".