13142437 has 24 divisors (see below), whose sum is σ = 17154720. Its totient is φ = 9948960.

The previous prime is 13142431. The next prime is 13142443. The reversal of 13142437 is 73424131.

It is an interprime number because it is at equal distance from previous prime (13142431) and next prime (13142443).

It is not a de Polignac number, because 13142437 - 2¹¹ = 13140389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19614 + ... + 20272.

It is an arithmetic number, because the mean of its divisors is an integer number (714780).

Almost surely, 2^13142437 is an apocalyptic number.

13142437 is the 1813-rd decagonal number.

It is an amenable number.

13142437 is a deficient number, since it is larger than the sum of its proper divisors (4012283).

13142437 is a wasteful number, since it uses less digits than its factorization.

13142437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 714 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 13142437 is about 3625.2499224191. The cubic root of 13142437 is about 235.9891130188.

Adding to 13142437 its reverse (73424131), we get a palindrome (86566568).

The spelling of 13142437 in words is "thirteen million, one hundred forty-two thousand, four hundred thirty-seven".