1307642 has 32 divisors (see below), whose sum is σ = 2433024. Its totient is φ = 514800.

The previous prime is 1307641. The next prime is 1307651. The reversal of 1307642 is 2467031.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1307641) 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, 9917 + ... + 10047.

It is an arithmetic number, because the mean of its divisors is an integer number (76032).

2^1307642 is an apocalyptic number.

1307642 is a deficient number, since it is larger than the sum of its proper divisors (1125382).

1307642 is a wasteful number, since it uses less digits than its factorization.

1307642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1307642 is about 1143.5217531818. The cubic root of 1307642 is about 109.3527276554.

The spelling of 1307642 in words is "one million, three hundred seven thousand, six hundred forty-two".