1340772 has 12 divisors (see below), whose sum is σ = 3128496. Its totient is φ = 446920.

The previous prime is 1340767. The next prime is 1340777. The reversal of 1340772 is 2770431.

It is an interprime number because it is at equal distance from previous prime (1340767) and next prime (1340777).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1340777) 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, 55854 + ... + 55877.

It is an arithmetic number, because the mean of its divisors is an integer number (260708).

2^1340772 is an apocalyptic number.

1340772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340772 is an abundant number, since it is smaller than the sum of its proper divisors (1787724).

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

1340772 is a wasteful number, since it uses less digits than its factorization.

1340772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111738 (or 111736 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 1340772 is about 1157.9170954779. The cubic root of 1340772 is about 110.2685449648.

It can be divided in two parts, 1340 and 772, that added together give a palindrome (2112).

The spelling of 1340772 in words is "one million, three hundred forty thousand, seven hundred seventy-two".