126413 has 4 divisors (see below), whose sum is σ = 144480. Its totient is φ = 108348.

The previous prime is 126397. The next prime is 126421. The reversal of 126413 is 314621.

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 126413 - 2⁴ = 126397 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126391 and 126400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126433) 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, 9023 + ... + 9036.

It is an arithmetic number, because the mean of its divisors is an integer number (36120).

2¹²⁶⁴¹³ is an apocalyptic number.

It is an amenable number.

126413 is a deficient number, since it is larger than the sum of its proper divisors (18067).

126413 is an equidigital number, since it uses as much as digits as its factorization.

126413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18066.

The product of its digits is 144, while the sum is 17.

The square root of 126413 is about 355.5460589010. The cubic root of 126413 is about 50.1876945336.

The spelling of 126413 in words is "one hundred twenty-six thousand, four hundred thirteen".