1361672 has 16 divisors (see below), whose sum is σ = 2749740. Its totient is φ = 628416.

The previous prime is 1361629. The next prime is 1361677. The reversal of 1361672 is 2761631.

It can be written as a sum of positive squares in 2 ways, for example, as 1359556 + 2116 = 1166^2 + 46^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1361677) 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, 6443 + ... + 6650.

2^1361672 is an apocalyptic number.

It is an amenable number.

1361672 is an abundant number, since it is smaller than the sum of its proper divisors (1388068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361672 is a wasteful number, since it uses less digits than its factorization.

1361672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13112 (or 13108 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 1361672 is about 1166.9070228600. The cubic root of 1361672 is about 110.8385500148.

The spelling of 1361672 in words is "one million, three hundred sixty-one thousand, six hundred seventy-two".