1413681 has 8 divisors (see below), whose sum is σ = 1911744. Its totient is φ = 929040.

The previous prime is 1413679. The next prime is 1413689. The reversal of 1413681 is 1863141.

1413681 = T₁₆₃ + T₁₆₄ + ... + T₂₃₃.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1413681 - 2¹ = 1413679 is a prime.

It is a super-2 number, since 2×1413681² = 3996987939522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1413689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3106 + ... + 3531.

It is an arithmetic number, because the mean of its divisors is an integer number (238968).

2^1413681 is an apocalyptic number.

It is an amenable number.

1413681 is a deficient number, since it is larger than the sum of its proper divisors (498063).

1413681 is an equidigital number, since it uses as much as digits as its factorization.

1413681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711.

The product of its digits is 576, while the sum is 24.

The square root of 1413681 is about 1188.9831790232. The cubic root of 1413681 is about 112.2321132274.

It can be divided in two parts, 14 and 13681, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 1413681 in words is "one million, four hundred thirteen thousand, six hundred eighty-one".