1215413 has 8 divisors (see below), whose sum is σ = 1264032. Its totient is φ = 1167696.

The previous prime is 1215407. The next prime is 1215421. The reversal of 1215413 is 3145121.

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 1215413 - 2⁴ = 1215397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1215391 and 1215400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3806 + ... + 4112.

It is an arithmetic number, because the mean of its divisors is an integer number (158004).

2^1215413 is an apocalyptic number.

It is an amenable number.

1215413 is a deficient number, since it is larger than the sum of its proper divisors (48619).

1215413 is a wasteful number, since it uses less digits than its factorization.

1215413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451.

The product of its digits is 120, while the sum is 17.

The square root of 1215413 is about 1102.4577089394. The cubic root of 1215413 is about 106.7188882748.

It can be divided in two parts, 12154 and 13, that added together give a cube (12167 = 23³).

The spelling of 1215413 in words is "one million, two hundred fifteen thousand, four hundred thirteen".